Lesson 34 of 84 ยท Spacetime
Lessonโญ 30 XP๐ StarbaseHow Trees Make Oxygen
Spacetime.
๐ฏ Your mission
Understand the idea. Then look for it everywhere.
โก The twist
Up there, the rules of down here stop working.
Mind = Blown
๐ช A day on Venus is longer than a year on Venus.
Make a hypothesis first
Predict: what would happen on the moon vs. on Earth?
What You'll Learn
All living things share basic characteristics: they grow, reproduce, respond to their environment, and need energy to survive. Plants make their own food through photosynthesis, while animals must eat other organisms.
Key Words
- community
- environment
- nutrients
Steps
Review the background information on Spacetime before starting.
Create a detailed food web for a local ecosystem. Include at least 8 organisms and use arrows to show energy flow from producers to top predators.
Compare the before and after states.
Write your conclusion: did the results match your hypothesis? What would you change next time?
Check Your Understanding
Question 1
1 of 3What is the main source of energy for most food chains?
Where you see this in real life
Every sunrise and every shadow is this idea in action.
Stretch Challenge
Try this in real life this week.
Look at the moon tonight. Notice its shape. Look again in 3 days.
For the dinner table
โIf you could visit any planet, which would you pick and why?โ
Next Smart Experiment
We'll pick an experiment that matches exactly how you're thinking right now.
Share this experiment
Send it to a parent who's looking for a 10-minute kitchen science win.
Checkout complete lesson on Spacetime for 9th Grade
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